Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January's advent presents an average high-temperature of a still mild 56.5°F (13.6°C), indicating a slight variation from the conditions of the previous month. Sylvester observes an average low-temperature of 37.6°F (3.1°C) during January.Humidity
In January, the average relative humidity is 50%.Rainfall
The months with the least rainfall are January and February Rain falls for 3.3 days and accumulates 0.59" (15mm) of rain.Snowfall
January through April, November and December are months with snowfall in Sylvester. In January, in Sylvester, it is snowing for 1.1 days. Throughout January, 0.24" (6mm) of snow is accumulated. In Sylvester, Texas, during the entire year, snow falls for 5.1 days and aggregates up to 3.03" (77mm) of snow.Daylight
In January, the average length of the day in Sylvester, Texas, is 10h and 17min.On the first day of January in Sylvester, sunrise is at 7:43 am and sunset at 5:45 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:12 pm CST.
Sunshine
In January, the average sunshine in Sylvester, Texas, is 7.6h.UV index
The average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In January, the maximum UV index of 4 transforms into these recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. To protect against the Sun's most potent rays, avoid direct exposure around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January in Sylvester?
What is the average humidity in January in Sylvester?
What is the driest month in Sylvester?
How much does it rain in Sylvester in January?
How much does it snow in Sylvester in January?
How many hours of daylight does Sylvester have in January?
What time are sunrise and sunset in January in Sylvester?
How long on average sun shines in January in Sylvester?
What is the UV index reading in January in Sylvester?
Average temperature in January
Sylvester, TX
- Average high temperature in January: 56.5°F
The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in January: 37.6°F
The month with the highest average low temperature is July (76.6°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).
Average pressure in January
Sylvester, TX
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Sylvester, TX
- Average wind speed in January: 10.8mph
The windiest month (with the highest average wind speed) is April (13.8mph).
The calmest month (with the lowest average wind speed) is September (9.9mph).
Average humidity in January
Sylvester, TX
- Average humidity in January: 50%
The months with the highest relative humidity are September and December (55%).
The month with the lowest relative humidity is August (44%).
Average rainfall in January
Sylvester, TX
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in January
Sylvester, TX
- Average rainfall days in January: 3.3 days
The month with the highest number of rainy days is September (11.7 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in January
Sylvester, TX
- Average snowfall in January: 0.24"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Sylvester, TX
- Average snowfall days in January: 1.1 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Sylvester, TX
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 7h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 36min).
Average sunshine days in January
Sylvester, TX
- Average sunshine days in January: 26.7 days
The month with the most sunshine days is January (26.7 days).
The month with the least sunshine days is September (16.1 days).
Average UV index in January
Sylvester, TX
- Average UV index in January: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Sylvester, TX
- Average cloud cover in January: 20
The months with the most cloud cover are March, September and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in January
Sylvester, TX
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Sylvester, Texas, USA
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